Under Armour Women's UA Big Stripe Sleeveless T-Shirt 65% Polyester/35% Rayon Imported Loose: Generous, more relaxed fit Soft, ultra-lightweight fabric delivers superior breathability & incredible comfort Signature Moisture Transport System wicks sweat to keep you dry & light Lightweight stretch construction improves mobility for full range of motion Shaped drop-tail hem delivers enhanced coverage without looking big & bulky